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// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.model.container;
import com.yahoo.container.bundle.BundleInstantiationSpecification;
import com.yahoo.container.handler.ThreadpoolConfig;
import com.yahoo.container.handler.threadpool.ContainerThreadPool;
import com.yahoo.osgi.provider.model.ComponentModel;
import com.yahoo.vespa.model.container.component.SimpleComponent;
import java.time.Duration;
/**
* Component definition for a {@link java.util.concurrent.Executor} using {@link ContainerThreadPool}.
*
* @author bjorncs
*/
public class ThreadPoolExecutorComponent extends SimpleComponent implements ThreadpoolConfig.Producer {
private final String name;
private final Integer maxPoolSize;
private final Integer corePoolSize;
private final Duration keepAliveTime;
private final Integer queueSize;
private final Duration maxThreadExecutionTime;
private ThreadPoolExecutorComponent(Builder builder) {
super(new ComponentModel(
BundleInstantiationSpecification.getFromStrings(
"threadpool@" + builder.name,
ContainerThreadPool.class.getName(),
null)));
this.name = builder.name;
this.maxPoolSize = builder.maxPoolSize;
this.corePoolSize = builder.corePoolSize;
this.keepAliveTime = builder.keepAliveTime;
this.queueSize = builder.queueSize;
this.maxThreadExecutionTime = builder.maxThreadExecutionTime;
}
@Override
public void getConfig(ThreadpoolConfig.Builder builder) {
builder.name(this.name);
if (maxPoolSize != null) builder.maxthreads(maxPoolSize);
if (corePoolSize != null) builder.corePoolSize(corePoolSize);
if (keepAliveTime != null) builder.keepAliveTime(keepAliveTime.toMillis() / 1000D);
if (queueSize != null) builder.queueSize(queueSize);
if (maxThreadExecutionTime != null) builder.maxThreadExecutionTimeSeconds((int)maxThreadExecutionTime.toMillis() / 1000);
}
public static class Builder {
private final String name;
private Integer maxPoolSize;
private Integer corePoolSize;
private Duration keepAliveTime;
private Integer queueSize;
private Duration maxThreadExecutionTime;
public Builder(String name) { this.name = name; }
public Builder maxPoolSize(int size) { this.maxPoolSize = size; return this; }
public Builder corePoolSize(int size) { this.corePoolSize = size; return this; }
public Builder keepAliveTime(Duration time) { this.keepAliveTime = time; return this; }
public Builder queueSize(int size) { this.queueSize = size; return this; }
public Builder maxThreadExecutionTime(Duration time) { this.maxThreadExecutionTime = time; return this; }
public ThreadPoolExecutorComponent build() { return new ThreadPoolExecutorComponent(this); }
}
}
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